git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-06-14 12:04:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

sw_engine raster: code refactoring

Browse source 
renamed internal variables, no logical changes.
This commit is contained in:
Hermet Park 2021-11-10 17:31:05 +09:00 • committed by Hermet Park
parent cffc87e7b1
commit d73ecc5524
2 changed files with 145 additions and 145 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/lib/sw_engine/tvgSwCommon.h
View file

@ -230,7 +230,7 @@ struct SwBlender
{
uint32_t (*join)(uint8_t r, uint8_t g, uint8_t b, uint8_t a);
uint32_t (*alpha)(uint32_t rgba);
uint32_t (*invAlpha)(uint32_t rgba);
uint32_t (*ialpha)(uint32_t rgba);
};
struct SwCompositor;

288
src/lib/sw_engine/tvgSwRaster.cpp
View file

@ -119,7 +119,7 @@ static bool _translucentRectMask(SwSurface* surface, const SwBBox& region, uint3
auto cmp = &cbuffer[y * surface->stride];
for (uint32_t x = 0; x < w; ++x) {
auto tmp = ALPHA_BLEND(color, blendMethod(*cmp));
dst[x] = tmp + ALPHA_BLEND(dst[x], surface->blender.invAlpha(tmp));
dst[x] = tmp + ALPHA_BLEND(dst[x], surface->blender.ialpha(tmp));
++cmp;
}
}
@ -133,7 +133,7 @@ static bool _rasterTranslucentRect(SwSurface* surface, const SwBBox& region, uin
return _translucentRectMask(surface, region, color, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentRectMask(surface, region, color, surface->blender.invAlpha);
return _translucentRectMask(surface, region, color, surface->blender.ialpha);
}
}
@ -179,7 +179,7 @@ static bool _translucentRleMask(SwSurface* surface, SwRleData* rle, uint32_t col
else src = color;
for (uint32_t x = 0; x < span->len; ++x) {
auto tmp = ALPHA_BLEND(src, blendMethod(*cmp));
dst[x] = tmp + ALPHA_BLEND(dst[x], surface->blender.invAlpha(tmp));
dst[x] = tmp + ALPHA_BLEND(dst[x], surface->blender.ialpha(tmp));
++cmp;
}
++span;
@ -196,7 +196,7 @@ static bool _rasterTranslucentRle(SwSurface* surface, SwRleData* rle, uint32_t c
return _translucentRleMask(surface, rle, color, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentRleMask(surface, rle, color, surface->blender.invAlpha);
return _translucentRleMask(surface, rle, color, surface->blender.ialpha);
}
}
@ -268,18 +268,18 @@ static bool _rasterTranslucentImageRle(SwSurface* surface, const SwRleData* rle,
}
static bool _translucentImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* invTransform)
static bool _translucentImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* itransform)
{
auto span = rle->spans;
for (uint32_t i = 0; i < rle->size; ++i, ++span) {
auto ey1 = span->y * invTransform->e12 + invTransform->e13;
auto ey2 = span->y * invTransform->e22 + invTransform->e23;
auto ey1 = span->y * itransform->e12 + itransform->e13;
auto ey2 = span->y * itransform->e22 + itransform->e23;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
auto alpha = ALPHA_MULTIPLY(span->coverage, opacity);
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf((span->x + x) * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf((span->x + x) * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
auto src = ALPHA_BLEND(img[rY * w + rX], alpha); //TODO: need to use image's stride
*dst = src + ALPHA_BLEND(*dst, 255 - surface->blender.alpha(src));
@ -289,33 +289,33 @@ static bool _translucentImageRle(SwSurface* surface, const SwRleData* rle, uint3
}
static bool _rasterTranslucentImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* invTransform)
static bool _rasterTranslucentImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* itransform)
{
if (surface->compositor) {
if (surface->compositor->method == CompositeMethod::AlphaMask) {
TVGERR("SW_ENGINE", "Missing Implementation _translucentImageRleAlphaMask()");
// return _translucentImageRleAlphaMask(surface, rle, img, w, h, opacity, invTransform);
// return _translucentImageRleAlphaMask(surface, rle, img, w, h, opacity, itransform);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
TVGERR("SW_ENGINE", "Missing Implementation _translucentImageRleInvAlphaMask()");
// return _translucentImageRleInvAlphaMask(surface, rle, img, w, h, opacity, invTransform);
// return _translucentImageRleInvAlphaMask(surface, rle, img, w, h, opacity, itransform);
}
}
return _translucentImageRle(surface, rle, img, w, h, opacity, invTransform);
return _translucentImageRle(surface, rle, img, w, h, opacity, itransform);
}
static bool _translucentUpScaleImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* invTransform)
static bool _translucentUpScaleImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* itransform)
{
auto span = rle->spans;
for (uint32_t i = 0; i < rle->size; ++i, ++span) {
auto ey1 = span->y * invTransform->e12 + invTransform->e13;
auto ey2 = span->y * invTransform->e22 + invTransform->e23;
auto ey1 = span->y * itransform->e12 + itransform->e13;
auto ey2 = span->y * itransform->e22 + itransform->e23;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
auto alpha = ALPHA_MULTIPLY(span->coverage, opacity);
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto fX = (span->x + x) * invTransform->e11 + ey1;
auto fY = (span->x + x) * invTransform->e21 + ey2;
auto fX = (span->x + x) * itransform->e11 + ey1;
auto fY = (span->x + x) * itransform->e21 + ey2;
auto rX = static_cast<uint32_t>(roundf(fX));
auto rY = static_cast<uint32_t>(roundf(fY));
if (rX >= w || rY >= h) continue;
@ -329,35 +329,35 @@ static bool _translucentUpScaleImageRle(SwSurface* surface, const SwRleData* rle
}
static bool _rasterTranslucentUpScaleImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* invTransform)
static bool _rasterTranslucentUpScaleImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* itransform)
{
if (surface->compositor) {
if (surface->compositor->method == CompositeMethod::AlphaMask) {
TVGERR("SW_ENGINE", "Missing Implementation _translucentUpScaleImageRleAlphaMask()");
// return _translucentUpScaleImageRleAlphaMask(surface, rle, img, w, h, opacity, invTransform);
// return _translucentUpScaleImageRleAlphaMask(surface, rle, img, w, h, opacity, itransform);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
TVGERR("SW_ENGINE", "Missing Implementation _translucentUpScaleImageRleInvAlphaMask()");
// return _translucentUpScaleImageRleInvAlphaMask(surface, rle, img, w, h, opacity, invTransform);
// return _translucentUpScaleImageRleInvAlphaMask(surface, rle, img, w, h, opacity, itransform);
}
}
return _translucentUpScaleImageRle(surface, rle, img, w, h, opacity, invTransform);
return _translucentUpScaleImageRle(surface, rle, img, w, h, opacity, itransform);
}
static bool _translucentDownScaleImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* invTransform, float scaling)
static bool _translucentDownScaleImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* itransform, float scale)
{
uint32_t halfScaling = static_cast<uint32_t>(0.5f / scaling);
uint32_t halfScaling = static_cast<uint32_t>(0.5f / scale);
if (halfScaling == 0) halfScaling = 1;
auto span = rle->spans;
for (uint32_t i = 0; i < rle->size; ++i, ++span) {
auto ey1 = span->y * invTransform->e12 + invTransform->e13;
auto ey2 = span->y * invTransform->e22 + invTransform->e23;
auto ey1 = span->y * itransform->e12 + itransform->e13;
auto ey2 = span->y * itransform->e22 + itransform->e23;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
auto alpha = ALPHA_MULTIPLY(span->coverage, opacity);
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf((span->x + x) * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf((span->x + x) * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
uint32_t src;
if (rX < halfScaling || rY < halfScaling || rX >= w - halfScaling || rY >= h - halfScaling) src = ALPHA_BLEND(img[rY * w + rX], alpha); //TODO: need to use image's stride
@ -369,19 +369,19 @@ static bool _translucentDownScaleImageRle(SwSurface* surface, const SwRleData* r
}
static bool _rasterTranslucentDownScaleImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* invTransform, float scaling)
static bool _rasterTranslucentDownScaleImageRle(SwSurface* surface, const SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const Matrix* itransform, float scale)
{
if (surface->compositor) {
if (surface->compositor->method == CompositeMethod::AlphaMask) {
TVGERR("SW_ENGINE", "Missing Implementation _translucentDownScaleImageRleAlphaMask()");
// return _translucentDownScaleImageRleAlphaMask(surface, rle, img, w, h, opacity, invTransform, scaling);
// return _translucentDownScaleImageRleAlphaMask(surface, rle, img, w, h, opacity, itransform, scale);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
TVGERR("SW_ENGINE", "Missing Implementation _translucentDownScaleImageRleInvAlphaMask()");
// return _translucentDownScaleImageRleInvAlphaMask(surface, rle, img, w, h, opacity, invTransform, scaling);
// return _translucentDownScaleImageRleInvAlphaMask(surface, rle, img, w, h, opacity, itransform, scale);
}
}
return _translucentDownScaleImageRle(surface, rle, img, w, h, opacity, invTransform, scaling);
return _translucentDownScaleImageRle(surface, rle, img, w, h, opacity, itransform, scale);
}
@ -401,17 +401,17 @@ static bool _rasterImageRle(SwSurface* surface, SwRleData* rle, uint32_t *img, u
}
static bool _rasterImageRle(SwSurface* surface, SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, const Matrix* invTransform)
static bool _rasterImageRle(SwSurface* surface, SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, const Matrix* itransform)
{
auto span = rle->spans;
for (uint32_t i = 0; i < rle->size; ++i, ++span) {
auto ey1 = span->y * invTransform->e12 + invTransform->e13;
auto ey2 = span->y * invTransform->e22 + invTransform->e23;
auto ey1 = span->y * itransform->e12 + itransform->e13;
auto ey2 = span->y * itransform->e22 + itransform->e23;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf((span->x + x) * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf((span->x + x) * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
auto src = ALPHA_BLEND(img[rY * w + rX], span->coverage); //TODO: need to use image's stride
*dst = src + ALPHA_BLEND(*dst, 255 - surface->blender.alpha(src));
@ -421,17 +421,17 @@ static bool _rasterImageRle(SwSurface* surface, SwRleData* rle, uint32_t *img, u
}
static bool _rasterUpScaleImageRle(SwSurface* surface, SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, const Matrix* invTransform)
static bool _rasterUpScaleImageRle(SwSurface* surface, SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, const Matrix* itransform)
{
auto span = rle->spans;
for (uint32_t i = 0; i < rle->size; ++i, ++span) {
auto ey1 = span->y * invTransform->e12 + invTransform->e13;
auto ey2 = span->y * invTransform->e22 + invTransform->e23;
auto ey1 = span->y * itransform->e12 + itransform->e13;
auto ey2 = span->y * itransform->e22 + itransform->e23;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto fX = (span->x + x) * invTransform->e11 + ey1;
auto fY = (span->x + x) * invTransform->e21 + ey2;
auto fX = (span->x + x) * itransform->e11 + ey1;
auto fY = (span->x + x) * itransform->e21 + ey2;
auto rX = static_cast<uint32_t>(roundf(fX));
auto rY = static_cast<uint32_t>(roundf(fY));
if (rX >= w || rY >= h) continue;
@ -445,19 +445,19 @@ static bool _rasterUpScaleImageRle(SwSurface* surface, SwRleData* rle, uint32_t
}
static bool _rasterDownScaleImageRle(SwSurface* surface, SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, const Matrix* invTransform, float scaling)
static bool _rasterDownScaleImageRle(SwSurface* surface, SwRleData* rle, uint32_t *img, uint32_t w, uint32_t h, const Matrix* itransform, float scale)
{
uint32_t halfScaling = static_cast<uint32_t>(0.5f / scaling);
uint32_t halfScaling = static_cast<uint32_t>(0.5f / scale);
if (halfScaling == 0) halfScaling = 1;
auto span = rle->spans;
for (uint32_t i = 0; i < rle->size; ++i, ++span) {
auto ey1 = span->y * invTransform->e12 + invTransform->e13;
auto ey2 = span->y * invTransform->e22 + invTransform->e23;
auto ey1 = span->y * itransform->e12 + itransform->e13;
auto ey2 = span->y * itransform->e22 + itransform->e23;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
for (uint32_t x = 0; x < span->len; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf((span->x + x) * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf((span->x + x) * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf((span->x + x) * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
uint32_t src;
if (rX < halfScaling || rY < halfScaling || rX >= w - halfScaling || rY >= h - halfScaling) src = ALPHA_BLEND(img[rY * w + rX], span->coverage); //TODO: need to use image's stride
@ -469,17 +469,17 @@ static bool _rasterDownScaleImageRle(SwSurface* surface, SwRleData* rle, uint32_
}
static bool _translucentImage(SwSurface* surface, const uint32_t *img, uint32_t w, TVG_UNUSED uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform)
static bool _translucentImage(SwSurface* surface, const uint32_t *img, uint32_t w, TVG_UNUSED uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform)
{
auto dbuffer = &surface->buffer[region.min.y * surface->stride + region.min.x];
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = dbuffer;
auto ey1 = y * invTransform->e12 + invTransform->e13;
auto ey2 = y * invTransform->e22 + invTransform->e23;
auto ey1 = y * itransform->e12 + itransform->e13;
auto ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf(x * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
auto src = ALPHA_BLEND(img[rX + (rY * w)], opacity); //TODO: need to use image's stride
*dst = src + ALPHA_BLEND(*dst, 255 - surface->blender.alpha(src));
@ -490,7 +490,7 @@ static bool _translucentImage(SwSurface* surface, const uint32_t *img, uint32_t
}
static bool _translucentImageMask(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform, uint32_t (*blendMethod)(uint32_t rgba))
static bool _translucentImageMask(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform, uint32_t (*blendMethod)(uint32_t rgba))
{
TVGLOG("SW_ENGINE", "Transformed Image AlphaMask / Inverse Alpha Mask Composition");
@ -500,14 +500,14 @@ static bool _translucentImageMask(SwSurface* surface, const uint32_t *img, uint3
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = dbuffer;
auto cmp = cbuffer;
float ey1 = y * invTransform->e12 + invTransform->e13;
float ey2 = y * invTransform->e22 + invTransform->e23;
float ey1 = y * itransform->e12 + itransform->e13;
float ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, ++cmp) {
auto rX = static_cast<uint32_t>(roundf(x * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
auto src = ALPHA_BLEND(img[rX + (rY * w)], ALPHA_MULTIPLY(opacity, blendMethod(*cmp))); //TODO: need to use image's stride
*dst = src + ALPHA_BLEND(*dst, surface->blender.invAlpha(src));
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
dbuffer += surface->stride;
cbuffer += surface->stride;
@ -516,31 +516,31 @@ static bool _translucentImageMask(SwSurface* surface, const uint32_t *img, uint3
}
static bool _rasterTranslucentImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform)
static bool _rasterTranslucentImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform)
{
if (surface->compositor) {
if (surface->compositor->method == CompositeMethod::AlphaMask) {
return _translucentImageMask(surface, img, w, h, opacity, region, invTransform, surface->blender.alpha);
return _translucentImageMask(surface, img, w, h, opacity, region, itransform, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentImageMask(surface, img, w, h, opacity, region, invTransform, surface->blender.invAlpha);
return _translucentImageMask(surface, img, w, h, opacity, region, itransform, surface->blender.ialpha);
}
}
return _translucentImage(surface, img, w, h, opacity, region, invTransform);
return _translucentImage(surface, img, w, h, opacity, region, itransform);
}
static bool _translucentUpScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, TVG_UNUSED uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform)
static bool _translucentUpScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, TVG_UNUSED uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform)
{
auto dbuffer = &surface->buffer[region.min.y * surface->stride + region.min.x];
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = dbuffer;
auto ey1 = y * invTransform->e12 + invTransform->e13;
auto ey2 = y * invTransform->e22 + invTransform->e23;
auto ey1 = y * itransform->e12 + itransform->e13;
auto ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto fX = x * invTransform->e11 + ey1;
auto fY = x * invTransform->e21 + ey2;
auto fX = x * itransform->e11 + ey1;
auto fY = x * itransform->e21 + ey2;
auto rX = static_cast<uint32_t>(roundf(fX));
auto rY = static_cast<uint32_t>(roundf(fY));
if (rX >= w || rY >= h) continue;
@ -555,7 +555,7 @@ static bool _translucentUpScaleImage(SwSurface* surface, const uint32_t *img, ui
}
static bool _translucentUpScaleImageMask(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform, uint32_t (*blendMethod)(uint32_t rgba))
static bool _translucentUpScaleImageMask(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform, uint32_t (*blendMethod)(uint32_t rgba))
{
TVGLOG("SW_ENGINE", "Transformed Image Alpha Mask / Inverse Alpha Mask Composition");
@ -565,18 +565,18 @@ static bool _translucentUpScaleImageMask(SwSurface* surface, const uint32_t *img
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = dbuffer;
auto cmp = cbuffer;
float ey1 = y * invTransform->e12 + invTransform->e13;
float ey2 = y * invTransform->e22 + invTransform->e23;
float ey1 = y * itransform->e12 + itransform->e13;
float ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, ++cmp) {
auto fX = x * invTransform->e11 + ey1;
auto fY = x * invTransform->e21 + ey2;
auto fX = x * itransform->e11 + ey1;
auto fY = x * itransform->e21 + ey2;
auto rX = static_cast<uint32_t>(roundf(fX));
auto rY = static_cast<uint32_t>(roundf(fY));
if (rX >= w || rY >= h) continue;
uint32_t src;
if (rX == w - 1 || rY == h - 1) src = ALPHA_BLEND(img[rX + (rY * w)], ALPHA_MULTIPLY(opacity, blendMethod(*cmp))); //TODO: need to use image's stride
else src = ALPHA_BLEND(_applyBilinearInterpolation(img, w, h, fX, fY), ALPHA_MULTIPLY(opacity, blendMethod(*cmp))); //TODO: need to use image's stride
*dst = src + ALPHA_BLEND(*dst, surface->blender.invAlpha(src));
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
dbuffer += surface->stride;
cbuffer += surface->stride;
@ -585,33 +585,33 @@ static bool _translucentUpScaleImageMask(SwSurface* surface, const uint32_t *img
}
static bool _rasterTranslucentUpScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform)
static bool _rasterTranslucentUpScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform)
{
if (surface->compositor) {
if (surface->compositor->method == CompositeMethod::AlphaMask) {
return _translucentUpScaleImageMask(surface, img, w, h, opacity, region, invTransform, surface->blender.alpha);
return _translucentUpScaleImageMask(surface, img, w, h, opacity, region, itransform, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentUpScaleImageMask(surface, img, w, h, opacity, region, invTransform, surface->blender.invAlpha);
return _translucentUpScaleImageMask(surface, img, w, h, opacity, region, itransform, surface->blender.ialpha);
}
}
return _translucentUpScaleImage(surface, img, w, h, opacity, region, invTransform);
return _translucentUpScaleImage(surface, img, w, h, opacity, region, itransform);
}
static bool _translucentDownScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, TVG_UNUSED uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform, float scaling)
static bool _translucentDownScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, TVG_UNUSED uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform, float scale)
{
uint32_t halfScaling = static_cast<uint32_t>(0.5f / scaling);
uint32_t halfScaling = static_cast<uint32_t>(0.5f / scale);
if (halfScaling == 0) halfScaling = 1;
auto dbuffer = &surface->buffer[region.min.y * surface->stride + region.min.x];
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = dbuffer;
auto ey1 = y * invTransform->e12 + invTransform->e13;
auto ey2 = y * invTransform->e22 + invTransform->e23;
auto ey1 = y * itransform->e12 + itransform->e13;
auto ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf(x * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
uint32_t src;
if (rX < halfScaling || rY < halfScaling || rX >= w - halfScaling || rY >= h - halfScaling) src = ALPHA_BLEND(img[rX + (rY * w)], opacity);
@ -624,10 +624,10 @@ static bool _translucentDownScaleImage(SwSurface* surface, const uint32_t *img,
}
static bool _translucentDownScaleImageMask(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform, float scaling, uint32_t (*blendMethod)(uint32_t rgba))
static bool _translucentDownScaleImageMask(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform, float scale, uint32_t (*blendMethod)(uint32_t rgba))
{
TVGLOG("SW_ENGINE", "Transformed Image Alpha Mask / Inverse Alpha Mask Composition");
uint32_t halfScaling = static_cast<uint32_t>(0.5f / scaling);
uint32_t halfScaling = static_cast<uint32_t>(0.5f / scale);
if (halfScaling == 0) halfScaling = 1;
auto dbuffer = &surface->buffer[region.min.y * surface->stride + region.min.x];
@ -636,16 +636,16 @@ static bool _translucentDownScaleImageMask(SwSurface* surface, const uint32_t *i
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = dbuffer;
auto cmp = cbuffer;
float ey1 = y * invTransform->e12 + invTransform->e13;
float ey2 = y * invTransform->e22 + invTransform->e23;
float ey1 = y * itransform->e12 + itransform->e13;
float ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst, ++cmp) {
auto rX = static_cast<uint32_t>(roundf(x * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
uint32_t src;
if (rX < halfScaling || rY < halfScaling || rX >= w - halfScaling || rY >= h - halfScaling) src = ALPHA_BLEND(img[rX + (rY * w)], ALPHA_MULTIPLY(opacity, blendMethod(*cmp))); //TODO: need to use image's stride
else src = ALPHA_BLEND(_average2Nx2NPixel(surface, img, w, h, rX, rY, halfScaling), ALPHA_MULTIPLY(opacity, blendMethod(*cmp))); //TODO: need to use image's stride
*dst = src + ALPHA_BLEND(*dst, surface->blender.invAlpha(src));
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
dbuffer += surface->stride;
cbuffer += surface->stride;
@ -654,17 +654,17 @@ static bool _translucentDownScaleImageMask(SwSurface* surface, const uint32_t *i
}
static bool _rasterTranslucentDownScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* invTransform, float scaling)
static bool _rasterTranslucentDownScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, uint32_t opacity, const SwBBox& region, const Matrix* itransform, float scale)
{
if (surface->compositor) {
if (surface->compositor->method == CompositeMethod::AlphaMask) {
return _translucentDownScaleImageMask(surface, img, w, h, opacity, region, invTransform, scaling, surface->blender.alpha);
return _translucentDownScaleImageMask(surface, img, w, h, opacity, region, itransform, scale, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentDownScaleImageMask(surface, img, w, h, opacity, region, invTransform, scaling, surface->blender.invAlpha);
return _translucentDownScaleImageMask(surface, img, w, h, opacity, region, itransform, scale, surface->blender.ialpha);
}
}
return _translucentDownScaleImage(surface, img, w, h, opacity, region, invTransform, scaling);
return _translucentDownScaleImage(surface, img, w, h, opacity, region, itransform, scale);
}
@ -704,7 +704,7 @@ static bool _translucentImageMask(SwSurface* surface, uint32_t *img, uint32_t w,
auto src = sbuffer;
for (uint32_t x = 0; x < w2; ++x, ++dst, ++src, ++cmp) {
auto tmp = ALPHA_BLEND(*src, ALPHA_MULTIPLY(opacity, blendMethod(*cmp)));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.invAlpha(tmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
buffer += surface->stride;
cbuffer += surface->stride;
@ -721,7 +721,7 @@ static bool _rasterTranslucentImage(SwSurface* surface, uint32_t *img, uint32_t
return _translucentImageMask(surface, img, w, h, opacity, region, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentImageMask(surface, img, w, h, opacity, region, surface->blender.invAlpha);
return _translucentImageMask(surface, img, w, h, opacity, region, surface->blender.ialpha);
}
}
return _translucentImage(surface, img, w, h, opacity, region);
@ -746,15 +746,15 @@ static bool _rasterImage(SwSurface* surface, uint32_t *img, uint32_t w, TVG_UNUS
}
static bool _rasterImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, const SwBBox& region, const Matrix* invTransform)
static bool _rasterImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, const SwBBox& region, const Matrix* itransform)
{
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = &surface->buffer[y * surface->stride + region.min.x];
auto ey1 = y * invTransform->e12 + invTransform->e13;
auto ey2 = y * invTransform->e22 + invTransform->e23;
auto ey1 = y * itransform->e12 + itransform->e13;
auto ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf(x * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
auto src = img[rX + (rY * w)]; //TODO: need to use image's stride
*dst = src + ALPHA_BLEND(*dst, 255 - surface->blender.alpha(src));
@ -764,15 +764,15 @@ static bool _rasterImage(SwSurface* surface, const uint32_t *img, uint32_t w, ui
}
static bool _rasterUpScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, const SwBBox& region, const Matrix* invTransform)
static bool _rasterUpScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, const SwBBox& region, const Matrix* itransform)
{
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = &surface->buffer[y * surface->stride + region.min.x];
auto ey1 = y * invTransform->e12 + invTransform->e13;
auto ey2 = y * invTransform->e22 + invTransform->e23;
auto ey1 = y * itransform->e12 + itransform->e13;
auto ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto fX = x * invTransform->e11 + ey1;
auto fY = x * invTransform->e21 + ey2;
auto fX = x * itransform->e11 + ey1;
auto fY = x * itransform->e21 + ey2;
auto rX = static_cast<uint32_t>(roundf(fX));
auto rY = static_cast<uint32_t>(roundf(fY));
if (rX >= w || rY >= h) continue;
@ -786,18 +786,18 @@ static bool _rasterUpScaleImage(SwSurface* surface, const uint32_t *img, uint32_
}
static bool _rasterDownScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, const SwBBox& region, const Matrix* invTransform, float scaling)
static bool _rasterDownScaleImage(SwSurface* surface, const uint32_t *img, uint32_t w, uint32_t h, const SwBBox& region, const Matrix* itransform, float scale)
{
auto halfScaling = static_cast<uint32_t>(0.5f / scaling);
auto halfScaling = static_cast<uint32_t>(0.5f / scale);
if (halfScaling == 0) halfScaling = 1;
for (auto y = region.min.y; y < region.max.y; ++y) {
auto dst = &surface->buffer[y * surface->stride + region.min.x];
auto ey1 = y * invTransform->e12 + invTransform->e13;
auto ey2 = y * invTransform->e22 + invTransform->e23;
auto ey1 = y * itransform->e12 + itransform->e13;
auto ey2 = y * itransform->e22 + itransform->e23;
for (auto x = region.min.x; x < region.max.x; ++x, ++dst) {
auto rX = static_cast<uint32_t>(roundf(x * invTransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * invTransform->e21 + ey2));
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
uint32_t src;
if (rX < halfScaling || rY < halfScaling || rX >= w - halfScaling || rY >= h - halfScaling) src = img[rX + (rY * w)];
@ -855,7 +855,7 @@ static bool _translucentLinearGradientRectMask(SwSurface* surface, const SwBBox&
auto src = sbuffer;
for (uint32_t x = 0; x < w; ++x, ++dst, ++cmp, ++src) {
auto tmp = ALPHA_BLEND(*src, blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.invAlpha(tmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
buffer += surface->stride;
cbuffer += surface->stride;
@ -871,7 +871,7 @@ static bool _rasterTranslucentLinearGradientRect(SwSurface* surface, const SwBBo
return _translucentLinearGradientRectMask(surface, region, fill, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentLinearGradientRectMask(surface, region, fill, surface->blender.invAlpha);
return _translucentLinearGradientRectMask(surface, region, fill, surface->blender.ialpha);
}
}
return _translucentLinearGradientRect(surface, region, fill);
@ -935,7 +935,7 @@ static bool _translucentRadialGradientRectMask(SwSurface* surface, const SwBBox&
auto src = sbuffer;
for (uint32_t x = 0; x < w; ++x, ++dst, ++cmp, ++src) {
auto tmp = ALPHA_BLEND(*src, blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.invAlpha(tmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
buffer += surface->stride;
cbuffer += surface->stride;
@ -951,7 +951,7 @@ static bool _rasterTranslucentRadialGradientRect(SwSurface* surface, const SwBBo
return _translucentRadialGradientRectMask(surface, region, fill, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentRadialGradientRectMask(surface, region, fill, surface->blender.invAlpha);
return _translucentRadialGradientRectMask(surface, region, fill, surface->blender.ialpha);
}
}
return _translucentRadialGradientRect(surface, region, fill);
@ -1017,14 +1017,14 @@ static bool _translucentLinearGradientRleMask(SwSurface* surface, const SwRleDat
if (span->coverage == 255) {
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++cmp, ++src) {
auto tmp = ALPHA_BLEND(*src, blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.invAlpha(tmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
} else {
auto ialpha = 255 - span->coverage;
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++cmp, ++src) {
auto tmp = ALPHA_BLEND(*src, blendMethod(*cmp));
tmp = ALPHA_BLEND(tmp, span->coverage) + ALPHA_BLEND(*dst, ialpha);
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.invAlpha(tmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
}
}
@ -1041,7 +1041,7 @@ static bool _rasterTranslucentLinearGradientRle(SwSurface* surface, const SwRleD
return _translucentLinearGradientRleMask(surface, rle, fill, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentLinearGradientRleMask(surface, rle, fill, surface->blender.invAlpha);
return _translucentLinearGradientRleMask(surface, rle, fill, surface->blender.ialpha);
}
}
return _translucentLinearGradientRle(surface, rle, fill);
@ -1116,14 +1116,14 @@ static bool _translucentRadialGradientRleMask(SwSurface* surface, const SwRleDat
if (span->coverage == 255) {
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++cmp, ++src) {
auto tmp = ALPHA_BLEND(*src, blendMethod(*cmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.invAlpha(tmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
} else {
auto ialpha = 255 - span->coverage;
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++cmp, ++src) {
auto tmp = ALPHA_BLEND(*src, blendMethod(*cmp));
tmp = ALPHA_BLEND(tmp, span->coverage) + ALPHA_BLEND(*dst, ialpha);
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.invAlpha(tmp));
*dst = tmp + ALPHA_BLEND(*dst, surface->blender.ialpha(tmp));
}
}
}
@ -1140,7 +1140,7 @@ static bool _rasterTranslucentRadialGradientRle(SwSurface* surface, const SwRleD
return _translucentRadialGradientRleMask(surface, rle, fill, surface->blender.alpha);
}
if (surface->compositor->method == CompositeMethod::InvAlphaMask) {
return _translucentRadialGradientRleMask(surface, rle, fill, surface->blender.invAlpha);
return _translucentRadialGradientRleMask(surface, rle, fill, surface->blender.ialpha);
}
}
return _translucentRadialGradientRle(surface, rle, fill);
@ -1199,7 +1199,7 @@ bool rasterCompositor(SwSurface* surface)
return false;
}
surface->blender.alpha = _colorAlpha;
surface->blender.invAlpha = _colorInvAlpha;
surface->blender.ialpha = _colorInvAlpha;
return true;
}
@ -1333,19 +1333,19 @@ void rasterUnpremultiply(SwSurface* surface)
bool rasterImage(SwSurface* surface, SwImage* image, const Matrix* transform, const SwBBox& bbox, uint32_t opacity)
{
Matrix invTransform;
auto scaling = 1.0f;
Matrix itransform;
auto scale = 1.0f;
bool transformed = false;
if (transform) {
if (!mathInverse(transform, &invTransform)) return false;
scaling = sqrtf((transform->e11 * transform->e11) + (transform->e21 * transform->e21));
auto scalingY = sqrtf((transform->e22 * transform->e22) + (transform->e12 * transform->e12));
//TODO:If the x and y axis scaling is different, a separate algorithm for each axis should be applied.
if (fabsf(scaling - scalingY) > FLT_EPSILON) scaling = 1.0f;
if (!mathInverse(transform, &itransform)) return false;
scale = sqrtf((transform->e11 * transform->e11) + (transform->e21 * transform->e21));
auto scaleY = sqrtf((transform->e22 * transform->e22) + (transform->e12 * transform->e12));
//TODO:If the x and y axis scale is different, a separate algorithm for each axis should be applied.
if (fabsf(scale - scaleY) > FLT_EPSILON) scale = 1.0f;
else transformed = true;
} else {
invTransform = {1, 0, 0, 0, 1, 0, 0, 0, 1};
mathIdentity(&itransform);
}
auto translucent = _translucent(surface, opacity);
@ -1359,13 +1359,13 @@ bool rasterImage(SwSurface* surface, SwImage* image, const Matrix* transform, co
return _rasterImageRle(surface, image->rle, image->data, image->w, image->h);
} else {
if (translucent) {
if (fabsf(scaling - 1.0f) <= FLT_EPSILON) return _rasterTranslucentImageRle(surface, image->rle, image->data, image->w, image->h, opacity, &invTransform);
else if (scaling < downScalingFactor) return _rasterTranslucentDownScaleImageRle(surface, image->rle, image->data, image->w, image->h, opacity, &invTransform, scaling);
else return _rasterTranslucentUpScaleImageRle(surface, image->rle, image->data, image->w, image->h, opacity, &invTransform);
if (fabsf(scale - 1.0f) <= FLT_EPSILON) return _rasterTranslucentImageRle(surface, image->rle, image->data, image->w, image->h, opacity, &itransform);
else if (scale < downScalingFactor) return _rasterTranslucentDownScaleImageRle(surface, image->rle, image->data, image->w, image->h, opacity, &itransform, scale);
else return _rasterTranslucentUpScaleImageRle(surface, image->rle, image->data, image->w, image->h, opacity, &itransform);
} else {
if (fabsf(scaling - 1.0f) <= FLT_EPSILON) return _rasterImageRle(surface, image->rle, image->data, image->w, image->h, &invTransform);
else if (scaling < downScalingFactor) return _rasterDownScaleImageRle(surface, image->rle, image->data, image->w, image->h, &invTransform, scaling);
else return _rasterUpScaleImageRle(surface, image->rle, image->data, image->w, image->h, &invTransform);
if (fabsf(scale - 1.0f) <= FLT_EPSILON) return _rasterImageRle(surface, image->rle, image->data, image->w, image->h, &itransform);
else if (scale < downScalingFactor) return _rasterDownScaleImageRle(surface, image->rle, image->data, image->w, image->h, &itransform, scale);
else return _rasterUpScaleImageRle(surface, image->rle, image->data, image->w, image->h, &itransform);
}
}
} else {
@ -1376,13 +1376,13 @@ bool rasterImage(SwSurface* surface, SwImage* image, const Matrix* transform, co
return _rasterImage(surface, image->data, image->w, image->h, bbox);
} else {
if (translucent) {
if (fabsf(scaling - 1.0f) <= FLT_EPSILON) return _rasterTranslucentImage(surface, image->data, image->w, image->h, opacity, bbox, &invTransform);
else if (scaling < downScalingFactor) return _rasterTranslucentDownScaleImage(surface, image->data, image->w, image->h, opacity, bbox, &invTransform, scaling);
else return _rasterTranslucentUpScaleImage(surface, image->data, image->w, image->h, opacity, bbox, &invTransform);
if (fabsf(scale - 1.0f) <= FLT_EPSILON) return _rasterTranslucentImage(surface, image->data, image->w, image->h, opacity, bbox, &itransform);
else if (scale < downScalingFactor) return _rasterTranslucentDownScaleImage(surface, image->data, image->w, image->h, opacity, bbox, &itransform, scale);
else return _rasterTranslucentUpScaleImage(surface, image->data, image->w, image->h, opacity, bbox, &itransform);
} else {
if (fabsf(scaling - 1.0f) <= FLT_EPSILON) return _rasterImage(surface, image->data, image->w, image->h, bbox, &invTransform);
else if (scaling < downScalingFactor) return _rasterDownScaleImage(surface, image->data, image->w, image->h, bbox, &invTransform, scaling);
else return _rasterUpScaleImage(surface, image->data, image->w, image->h, bbox, &invTransform);
if (fabsf(scale - 1.0f) <= FLT_EPSILON) return _rasterImage(surface, image->data, image->w, image->h, bbox, &itransform);
else if (scale < downScalingFactor) return _rasterDownScaleImage(surface, image->data, image->w, image->h, bbox, &itransform, scale);
else return _rasterUpScaleImage(surface, image->data, image->w, image->h, bbox, &itransform);
}
}
}